281267840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{8969}}^1$

素因数の和:9002

約数の個数: 96

約数和(自身を含む): 782273700

約数和(自身を除く): 501005860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8969, 15680, 17938, 31360, 35876, 44845, 62783, 71752, 89690, 125566, 143504, 179380, 251132, 287008, 313915, 358760, 439481, 502264, 574016, 627830, 717520, 878962, 1004528, 1148032, 1255660, 1435040, 1757924, 2009056, 2197405, 2511320, 2870080, 3515848, 4018112, 4394810, 5022640, 5740160, 7031696, 8036224, 8789620, 10045280, 14063392, 17579240, 20090560, 28126784, 35158480, 40181120, 56253568, 70316960, 140633920, 281267840]

約数ペア:

[(1, 281267840), (2, 140633920), (4, 70316960), (5, 56253568), (7, 40181120), (8, 35158480), (10, 28126784), (14, 20090560), (16, 17579240), (20, 14063392), (28, 10045280), (32, 8789620), (35, 8036224), (40, 7031696), (49, 5740160), (56, 5022640), (64, 4394810), (70, 4018112), (80, 3515848), (98, 2870080), (112, 2511320), (128, 2197405), (140, 2009056), (160, 1757924), (196, 1435040), (224, 1255660), (245, 1148032), (280, 1004528), (320, 878962), (392, 717520), (448, 627830), (490, 574016), (560, 502264), (640, 439481), (784, 358760), (896, 313915), (980, 287008), (1120, 251132), (1568, 179380), (1960, 143504), (2240, 125566), (3136, 89690), (3920, 71752), (4480, 62783), (6272, 44845), (7840, 35876), (8969, 31360), (15680, 17938)]